``` feat(gateApi): 添加网格交易最大持仓限制功能

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2026-06-09 05c48c8c5fd2570ed078d99c2231e2cf7cf28a4f

 src/main/java/com/xcong/excoin/modules/contract/entity/ContractHoldOrderEntity.java

@@ -146,4 +146,9 @@
     * 批次号 队列平仓时使用，避免重复
     */
    public String batchNo;

    /**
     * 持仓费
     */
    private BigDecimal holdAmount;
}